Griffiths, E. A. (1920). Engineering instruments & meters. Routledge.
芝加哥风格引文Griffiths, Edgar A. Engineering Instruments & Meters. London,: Routledge, 1920.
MLA引文Griffiths, Edgar A. Engineering Instruments & Meters. Routledge, 1920.
警告：这些引文格式不一定是100％准确.